Atlantis Call

Add 1 monster that mentions "Atlantis, the Dragon City" from your Deck to your hand, then if you control "Atlantis, the Dragon City", you can negate the effects of 1 Effect Monster your opponent controls until the end of this turn. If you control "Umi": You can banish this card from your GY; all WATER monsters you currently control gain 500 ATK/DEF. You can only use each effect of "Atlantis Call" once per turn.